T.F. Green Airport Improvement Program - FEIS Chapters - PVD

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T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationConstructed by 2020, an improved Terminal Area Roadway would consist of a new Post Road “GatewayEntrance” to the Airport, South Access Road, a South Circulation Road, a Service Area Road, and alterations tothe Lower and Upper Level Terminal Roadways. The existing Airport access to Post Road south of the AirportConnector (Aviation Avenue opposite Donald Avenue) would be closed. East of the Airport, the existingAirport Road would be discontinued west of Harmony Court and it is assumed that the traffic signal at HadeCourt and Etta Street would be removed. The Fully Relocated Airport Road would be designed withappropriate accommodations for pedestrians and cyclists.Effects on Daily Traffic – 2020/2025Under Alternative B2 in 2020 and 2025, in addition to new Airport-generated traffic to the Study Area, existingnon-Airport related traffic patterns would be altered. Existing non-Airport trips would be induced to and fromStudy Area roadways as a result of expected transportation modifications. Shifts in regional traffic, unrelated tothe Airport, would occur between Post Road, Main Avenue, and other roadways throughout the region toRoute 37 and Fully Relocated Airport Road. These shifts would occur because Fully Relocated Airport Roadprovides a more direct, less congested east-west connection between Route 37 and Warwick Avenue. Once theseregional shifts occur, capacity on local roadways would increase and an opportunity for local traffic to altertravel patterns would also occur.Compared to the No-Action Alternative, Alternative B2 would decrease daily traffic on four roadway segments:• Post Road (U.S. Route 1) between Pell Avenue and Connecticut Avenue –A 33.2 percent decrease in dailytraffic in 2020 is expected between Pell Avenue and Connecticut Avenue caused by Fully Relocated AirportRoad completion. In 2025, a decrease of 33.9 percent is expected;• Post Road (U.S. Route 1) between Airport Connector and Coronado Road – A 0.3 percent decrease isexpected in 2020;• Airport Connector between Jefferson Boulevard and Post Road – Airport Connector traffic would decreaseby 2.5 percent in 2020 and by 4.3 percent on this segment in 2025; and• Airport Connector between I-95 and Jefferson Boulevard: Daily traffic is expected to decrease by 2.1 percentin 2020 and by 3.6 percent in 2025.Compared to the No-Action Alternative, increases in daily traffic would occur on six roadway segments underAlternative B2:• Route 37 – Daily traffic on Route 37 between I-95 and Post Road is expected to increase by 22.1 percentcompared to the No-Action Alternative in 2020 and by 21.5 percent in 2025;• Fully Relocated Airport Road – Airport Road traffic would increase by 13.9 percent between Post Road andCommerce Drive in 2020 and by 12.8 percent in 2025;• Post Road (U.S. Route 1) – Traffic changes along Post Road from Alternative B2 in 2020 and 2025, whencompared to the No-Action Alternative, vary by location:Chapter 5 - Environmental Consequences 5-128 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH05_Environmental_Cons_JUL_2011.doc
T.F. Green Airport Improvement ProgramEnvironmental Impact Statement and Final Section 4(f) EvaluationBetween Coronado Road and Haverford Road, a 0.9 percent increase is expected in 2020 and a1.2 percent increase is expected in 2025; Between the Airport Connector and Coronado Road, a 1.2 percent increase is expected in 2025;• Jefferson Boulevard – Traffic on Jefferson Boulevard between Airport Connector and Coronado Road wouldincrease by 2.7 percent in 2025. No change is expected in 2020; and• Main Avenue – Traffic on Main Avenue between Post Road and Industrial Drive would increase by1.7 percent in 2020 and by 0.7 percent in 2025.Effects on VMT and VHT – 2020/2025Alternative B2 would result in decreases in VMT and VHT in both 2020 and 2025 compared to the No-ActionAlternative. Under Alternative B2, VMT would decrease by 1.2 percent in both 2020 and 2025. VHT woulddecrease by 2.4 percent in both 2020 and 2025. VMT and VHT would decrease because Alternative B2 provides amore direct connection to Route 37, which shortens trip lengths for east-west traffic from the Route 37interchange or points north on Post Road. Moreover, this east-west link from Route 37 to Fully RelocatedAirport Road would be uninterrupted, whereas today this traffic flow passes through the busy signalizedintersection of Post Road and Airport Road.Effects on Peak Hour Traffic Flow (Level of Service) – 2020/2025Morning and evening peak hour traffic flow would improve at seven locations under Alternative B2 whencompared with the No-Action Alternative:• Post Road (U.S. Route 1) at Lincoln Avenue – During the evening peak hour in both 2020 and 2025, overallintersection operations would improve from LOS F under the No-Action Alternative to LOS C underAlternative B2. During the morning peak hour, intersection operations would improve from LOS C underthe No-Action Alternative to LOS B under Alternative B2 in both years. While the intersection is projectedto experience increases in traffic volume when compared to the No-Action Alternative, Alternative B2would modify intersection geometry and signal timing and coordination as part of Fully Relocated AirportRoad. These improvements would result in operational improvements. These modifications includedesignating Lincoln Avenue as one-way westbound between Post Road and Fully Relocated Airport Road.Vehicles destined to Fully Relocated Airport Road from Post Road would turn at this intersection, andvehicles traveling westbound on Fully Relocated Airport Road that are destined to Post Road wouldintersect with Post Road under the existing Route 37 ramp interchange.• Fully Relocated Airport Road at Commerce Drive – During the 2020 and 2025 evening peak hours, theoverall intersection operations would improve from LOS F under the No-Action Alternative to LOS Dunder Alternative B2. The improvements are primarily a result of geometric and signal upgrades at thisintersection associated with Fully Relocated Airport Road.• Existing Airport Road at Warwick Avenue – During the 2020 morning and evening peak hours, operationsat this location would improve from LOS E under the No-Action Alternative to LOS C under Alternative B2.Chapter 5 - Environmental Consequences 5-129 July 2011\\mawatr\ev\09228.00\reports\FEIS_Final_July_2011\PVD_CH05_Environmental_Cons_JUL_2011.doc
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